import java.util.ArrayList;


public class Arraylist {
	public static void main(String[] args) {
		ArrayList<Number> numlist=new ArrayList<Number>();
		numlist.add(new Integer(10));
		numlist.add(new Float(3.142f));
		numlist.add(new Double(1.99999));
		numlist.add(new Short((short) 12));
		numlist.add(new Byte((byte) 126));
		numlist.add(new Long(1234566));
	System.out.println(numlist);
	System.out.println(numlist.size());
	System.out.println(numlist.hashCode());
	}
}
